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<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
window.onload=function(){
	var myform=document.myform;
	var txt=myform.txt;
	var sel=myform.sel;
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<body>
<form name="myform">
	<input type="text" value="0" name="txt" />
    <select name="sel">
    	<option>请选择件数</option>
    	<option>1</option>
    	<option>2</option>
    	<option>3</option>
    	<option>4</option>
    </select>
</form>
</body>
</html>
